Stream.Builder accept() method in Java

Stream.Builder accept(T t) is used to insert an element into the element in the building phase of stream. It adds an element to the stream being built.

Syntax:

void accept(T t)

Parameters: This method accepts a mandatory parameter t which is the element to input into the stream.

Exceptions: This method throws IllegalStateException: when the builder has already transitioned to the built state. It means that the stream has entered the built phase and now no it can’t be changed. Hence no more elements can be added into the stream.

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